ZIP code · Fort Leavenworth · Kansas · United States

ZIP code 66027 — Fort Leavenworth

ZIP code 66027 serves Fort Leavenworth, Kansas.

Postal code
66027
Single source Value from one source, not cross-checked.
City
Fort Leavenworth
County
Leavenworth FIPS 20103
State
Kansas
Country
United States
Coordinates
39.3485, -94.9265 — precision estimated (postal-area centroid)
View on OpenStreetMap
Population
7,249 (ZCTA, ACS 5-year)
Population density
780 / sq mi
Land area
9.3 sq mi (24.1 km²) (ZCTA, ACS 5-year)
Median household income
$102,422
Per-capita income
$29,576
Median age
25.7
Households
1,594
Housing units
1,835
Median gross rent
$1,889 / month
Congressional district
KS-2 (119th Congress)
USDA hardiness zone
6b (-5 to 0 °F)
Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
Time zone
America/Chicago (UTC−6 / UTC−5 DST)
Area code
913 (from the nearest rate centre)
Telephone area codes serving this ZIP (NANPA central-office assignments). A ZIP and an area code are different boundaries; at a border both codes may apply.

Climate — monthly normals

Warmest month Jul (avg high 91°F), coldest Jan (avg low 21°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F394557677786918981685443
Avg low °F212434445565696858463425
Precip in1.11.62.44.15.25.54.35.34.63.62.01.7

NOAA 1991–2020 climate normals from the nearest station: LEAVENWORTH (1.6 mi) · NOAA NCEI

Places in ZIP 66027

Places mapped inside this ZIP’s ZCTA area in OpenStreetMap. OSM is community-maintained: counts reflect what has been mapped, and completeness varies by area — treat them as at-least figures. © OpenStreetMap contributors (ODbL) · Methodology

About this page

US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.

GeoNames · U.S. Census Bureau (ACS) · U.S. Census Bureau · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page